package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Setmeal;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishItemVO;
import com.sky.vo.SetmealVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;
import java.util.Map;

@Mapper
public interface SetmealMapper {

    // 根据分类id查询分类关联的套餐数量
    @Select("select count(id) from setmeal where category_id = #{categoryId}")
    Integer countByCategoryId(Long id);
    // 更新套餐
    @AutoFill(OperationType.UPDATE)
    void update(Setmeal setmeal);
    // 套餐分页查询
    Page<SetmealVO> pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
    // 新增套餐
    @AutoFill(OperationType.INSERT)
    void insert(Setmeal setmeal);
    // 根据id查询套餐
    @Select("select * from setmeal where id = #{setmealId}")
    Setmeal getById(Long setmealId);
    // 根据id删除套餐
    @Delete("delete from setmeal where id = #{id}")
    void deleteById(Long id);
    // 根据条件批量查询套餐
    List<Setmeal> list(Setmeal setmeal);
    // 根据套餐id批量查询菜品信息
    // setmeal与dish是多对多关系 其关联表setmeal_dish记录了setmealId和dish_id两个关联主键 建立了setmeal与dish的关联
    @Select("select sd.name, sd.copies, d.image, d.description " +
            "from setmeal_dish sd left join dish d on sd.dish_id = d.id " +
            "where sd.setmeal_id = #{setmealId}")
    List<DishItemVO> listWithSetmealDish(Long setmealId);

    // 根据条件查询套餐数量
    Integer countByMap(Map map);
}
